Bed frame



FIG. 1 is a perspective view of the bed frame;

FIG. 2 is a front view of the bed frame;

FIG. 3 is a back view of the bed frame;

FIG. 4 is a top view of the bed frame;

FIG. 5 is a bottom view of the bed frame;

FIG. 6 is a left side view of the bed frame; and,

FIG. 7 is a right side view of the bed frame.

The broken lines are for environmental purposes only and form no part of the claimed design. 

We claim the ornamental design for a bed frame, as shown and described. 